CN114071256A - 一种适用于环网箱的局部放电监控装置 - Google Patents

一种适用于环网箱的局部放电监控装置 Download PDF

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CN114071256A
CN114071256A CN202111349796.8A CN202111349796A CN114071256A CN 114071256 A CN114071256 A CN 114071256A CN 202111349796 A CN202111349796 A CN 202111349796A CN 114071256 A CN114071256 A CN 114071256A
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partial discharge
net cage
monitoring system
discharge monitoring
dtu
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万代
赵邈
齐飞
周恒逸
段绪金
彭思敏
李金亮
朱吉然
唐海国
杨淼
由凯
莫文慧
王邹俊
张帝
陈伟
邓威
游金梁
康童
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
State Grid Hunan Electric Power Co Ltd
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
State Grid Hunan Electric Power Co Ltd
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    • H—ELECTRICITY
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2213/00—Indexing scheme relating to details of circuit arrangements for providing remote indication of network conditions of for circuit arrangements for providing remote control of switching means in a power distribution network
    • H02J2213/10—Indexing scheme relating to details of circuit arrangements for providing remote indication of network conditions of for circuit arrangements for providing remote control of switching means in a power distribution network using simultaneously two or more different transmission means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/10—Arrangements in telecontrol or telemetry systems using a centralized architecture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

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Abstract

本发明涉及电力监测技术领域，公开了一种适用于环网箱的局部放电监控装置，包括：局部放电监控系统、DTU监控系统、以及主站系统，局部放电监控系统与DTU监控系统通过网口网络通信线进行数据传输，DTU监控系统与主站系统通过无线通信方式进行数据传输，实时监测环网箱局部放电的运行状态，将局部放电的实时运行状态通过主站系统直观的反馈给运维人员，有效的提高了配电网供电的可靠性和安全性。

Description

一种适用于环网箱的局部放电监控装置
技术领域
本发明涉及电力监测技术领域，尤其涉及一种适用于环网箱的局部放电监控装置。
背景技术
配电网环网箱电缆局部放电现象是判断电力设备是否出现绝缘缺陷的重要依据，是保证电力设备安全可靠供电的基础，对电力设备安全稳定运行具有非常重要的现实意义和经济效益。现有的局部放电监控装置基本上在主网中应用，在配电网中还未存在应用，根据主网中的应用情况发现存在以下问题：问题一：传统的局部放电监控装置成本高，对于配电网点多面广，经济性不高，可复制性不强；问题二：传统的局部放电监控方法对环境要求高且容易受到高频信号干扰，不适用于环境复杂的户外环网箱。
发明内容
本发明提供了一种适用于环网箱的局部放电监控装置，以解决现有技术中存在的问题。
为了实现上述目的，本发明通过如下的技术方案来实现：
第一方面，本发明提供一种适用于环网箱的局部放电监控装置，包括：局部放电监控系统、DTU监控系统、以及主站系统，所述局部放电监控系统与DTU监控系统通过网口网络通信线进行数据传输，DTU监控系统与主站系统通过无线通信方式进行数据传输。
可选地，所述局部放电监控系统包括依次连接的高精度音频传感器、信号接收处理器、智能检测终端。
可选地，所述高精度音频传感器包括电容式驻极体话筒，电容式驻极体话筒包含声电转换和阻抗部分，用于采集环网箱电缆室内局部放电音频信号，将采集到的局部放电音频数据通过同轴电缆传输给信号接收处理器。
可选地，所述信号接收处理器将采集到的数据进行分间隔整理处理，然后将处理后的数据传输给智能检测终端。
可选地，所述DTU检测系统包括依次连接的局放管理模块、主控模块、以及通信模块。
有益效果：
本发明提供的适用于环网箱的局部放电监控装置，包括：局部放电监控系统、DTU监控系统、以及主站系统，局部放电监控系统与DTU监控系统通过网口网络通信线进行数据传输，DTU监控系统与主站系统通过无线通信方式进行数据传输，实时监测环网箱局部放电的运行状态，将局部放电的实时运行状态通过主站系统直观的反馈给运维人员，有效的提高了配电网供电的可靠性和安全性。
附图说明
图1为本发明优选实施例的适用于环网箱的局部放电监控装置的结构图之一；
图2为本发明优选实施例的适用于环网箱的局部放电监控装置的结构图之二。
具体实施方式
下面对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
除非另作定义，本发明中使用的技术术语或者科学术语应当为本发明所属领域内具有一般技能的人士所理解的通常意义。本发明中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”或者“一”等类似词语也不表示数量限制，而是表示存在至少一个。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也相应地改变。
为了解决环网箱局部放电安装成本高、采集信号易受干扰等问题，针对技术背景中局部放电在应用过程中存在的问题，本发明通过对局部放电音频信号的进行分析，提出了一种基于音频识别的局部放电监控装置，可以应用于配电网户外环网箱中，实时监测环网箱局部放电的运行状态，将局部放电的实时运行状态通过主站系统直观的反馈给运维人员，有效的提高了配电网供电的可靠性和安全性。
请参见图1-图2，本申请实施例提供一种用于环网箱的局部放电监控装置，包括：局部放电监控系统、DTU监控系统、以及主站系统，局部放电监控系统与DTU监控系统通过网口网络通信线进行数据传输，DTU监控系统与主站系统通过无线通信方式进行数据传输。
可选地，局部放电监控系统包括依次连接的高精度音频传感器、信号接收处理器、智能检测终端。
可选地，高精度音频传感器包括电容式驻极体话筒，电容式驻极体话筒包含声电转换和阻抗部分，用于采集环网箱电缆室内局部放电音频信号，将采集到的局部放电音频数据通过同轴电缆传输给信号接收处理器。
可选地，信号接收处理器将采集到的数据进行分间隔整理处理，然后将处理后的数据传输给智能检测终端。
可选地，DTU检测系统包括依次连接的局放管理模块、主控模块、以及通信模块。
本申请具体实施方式如下：
电容式驻极体话筒由声电转换部分和阻抗部分组成，所述高精度音频传感器采集电缆室放电声波，声波使电容式驻极体话筒内的薄膜震动，导致电容变化，从而产生对应变化的微小电压。高精度音频传感器采集到的数据实时传输给信号接收器。
进一步的信号接收器将采集到的数据进行汇总整理，整理后的数据传输给智能检测终端。
进一步的智能检测终端根据需求将采集到的数据与设定控制值进行比对，判断环网柜的运行状态，将判断结果分别传输给局放管理模块和本地人机界面。
上述设定控制值为参数变量，根据现场实际情况设定。
局部放电监控系统与DTU监控系统通过网口网络通信线进行数据传输。
局部放电监控系统与本地人机界面通过RS-485通信线进行数据传输。
进一步的局放管理模块将局部放电监控系统上传的数据进行解密处理，并判断环网箱所处的运行状态，将结果上传至主控模块。
进一步的主控模块将收到的数据根据点表进行分类整理，将整理后的数据上传至主站系统。
DTU系统与主站系统通过光纤/无线通信模块进行数据传输。
进一步的主站系统将数据进行解析，通过人机交互界面将环网箱电缆室中局部放电的运行状态反馈给运维人员，
运维人员通过人机交互界面查看后备电源的运行状态，同时还可以通过主站系统对局部放电的局放检测软压板、局放设定值和检测延时时间进行远程控制和修改。
本发明专利提供一种行之有效的环网柜局部放电监控方法，有效的解决了现有环网柜局部放电运维难度大、安全可靠性差等问题，为环网柜局部放电提供了安全稳定的运行环境，减少了运维人员的日常维护工作量，既节省了人力物力，提高了安全性，又有效降低了维护成本，同时也可以为日后的检修计划安排提供依据，为电网的安全稳定运行提供了保证。
以上详细描述了本发明的较佳具体实施例。应当理解，本领域的普通技术人员无需创造性劳动就可以根据本发明的构思作出诸多修改和变化。因此，凡本技术领域中技术人员依本发明的构思在现有技术的基础上通过逻辑分析、推理或者有限的实验可以得到的技术方案，皆应在由权利要求书所确定的保护范围内。

Claims (5)

1.一种适用于环网箱的局部放电监控装置，其特征在于，包括：局部放电监控系统、DTU监控系统、以及主站系统，所述局部放电监控系统与DTU监控系统通过网口网络通信线进行数据传输，DTU监控系统与主站系统通过无线通信方式进行数据传输。
2.根据权利要求1所述的适用于环网箱的局部放电监控装置，其特征在于，所述局部放电监控系统包括依次连接的高精度音频传感器、信号接收处理器、智能检测终端。
3.根据权利要求2所述的适用于环网箱的局部放电监控装置，其特征在于，所述高精度音频传感器包括电容式驻极体话筒，电容式驻极体话筒包含声电转换和阻抗部分，用于采集环网箱电缆室内局部放电音频信号，将采集到的局部放电音频数据通过同轴电缆传输给信号接收处理器。
4.根据权利要求3所述的适用于环网箱的局部放电监控装置，其特征在于，所述信号接收处理器将采集到的数据进行分间隔整理处理，然后将处理后的数据传输给智能检测终端。
5.根据权利要求1所述的适用于环网箱的局部放电监控装置，其特征在于，所述DTU检测系统包括依次连接的局放管理模块、主控模块、以及通信模块。
CN202111349796.8A 2021-11-15 2021-11-15 一种适用于环网箱的局部放电监控装置 Pending CN114071256A (zh)

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